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Stevenson Dam Hydroelectric Plant

Oxford, Italy

Stevenson Dam Hydroelectric Plant

The Stevenson Dam Hydroelectric Plant is a hydroelectric power plant located on the Housatonic River at the boundary between the towns of Monroe and Oxford, Connecticut. The Connecticut Light and Power Company began construction in 1917 (completed 1919) and FirstLight Power has since gained ownershi

p. It was listed on the National Register of Historic Places in 2000 and is considered to have high hazard potential by the National Inventory of Dams. The site includes three contributing structures: the Stevenson Dam, the Stevenson Dam Bridge, and the Stevenson Powerhouse. The Stevenson Dam Bridge, a reinforced concrete bridge that is integral with the dam, carries Route 34 across the river, making it unique among period dams in the eastern United States. The Stevenson Powerhouse is a 160 ft by 80 ft building rising 131 ft in height. Its exterior includes "massive" pilasters. The hydroelectric plant began producing electricity in 1919 with 3 turbine/generator units, for a total of 19 MW. A fourth unit of 12 MW was added in 1936 and, with improvements over the years, the plant now produces a total of 28.9 MW of power. Bedrock characteristics required the powerhouse to be built on the...

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